Answer / star

Because Y phase is less prone to faults. B phase is prone
to earth fault and R phase is prone to lightning. So Y
phase is more safe.

what is the function of commutator in dc motor?

52 Answers   Aviation, HP, Raj Construction, TCE, University Exams,

---

In CT,which terminal(s1,s2) need to be grounded?

2 Answers  

---

Why donot sleep below the tree for night time?

12 Answers  

---

what is the meaning of Dd0yn11

2 Answers  

---

i have to use generator in my project,which gen. i can use?

1 Answers  

---

---

Meaning of ingrace protection for motor.for ex IPXY

0 Answers   BARC,

---

I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

0 Answers   College School Exams Tests,

---

how many parameters can integrate with fire alarm basically ?

0 Answers   Schneider,

---

while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

0 Answers  

---

How servo stabilizer works.

0 Answers  

---

when we r using 3.5 cable for a bldg. and put laod on each phase using the neutral and neutral is the return paht for the phase so the current of the neutral must be Ir+Ib+iY (return).But the size of the netural is .5 as comper to the phase.

2 Answers  

---

how is working bearing heater?

0 Answers   ONGC,

---